*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f7f4f0;
            color: #1e2a3a;
            line-height: 1.75;
            padding: 0 1rem;
        }
        a {
            color: #b5651e;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus-visible {
            color: #7a3e0e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 0.5rem;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #1e2a3a;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 0.75rem;
            border-left: 6px solid #b5651e;
            padding-left: 1.2rem;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #2c3e4e;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            border-bottom: 3px solid #e4d5c3;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #3a5068;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #4a627a;
            margin-top: 1.4rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 400;
            color: #2c3e4e;
            background: #ece4da;
            padding: 1.2rem 1.8rem;
            border-radius: 16px;
            border-left: 6px solid #b5651e;
        }
        .site-header {
            padding: 1.2rem 0 0.6rem;
            border-bottom: 2px solid #dccfc2;
            background: #fffcf8;
            border-radius: 0 0 24px 24px;
            margin-bottom: 1.2rem;
        }
        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.8rem 1.5rem;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #1e2a3a;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #b5651e, #7a3e0e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #b5651e;
            font-size: 1.8rem;
        }
        .my-logo small {
            font-size: 0.9rem;
            font-weight: 400;
            color: #4a627a;
            -webkit-text-fill-color: #4a627a;
            letter-spacing: 0.02em;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 0.3rem 1rem;
            flex-wrap: wrap;
        }
        .nav-bar a {
            font-weight: 500;
            padding: 0.4rem 0.8rem;
            border-radius: 30px;
            font-size: 0.95rem;
            color: #2c3e4e;
            transition: background 0.2s, color 0.2s;
        }
        .nav-bar a:hover {
            background: #b5651e;
            color: #fff;
            text-decoration: none;
        }
        .nav-bar a.active {
            background: #b5651e20;
            color: #b5651e;
            font-weight: 600;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1e2a3a;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        .nav-check {
            display: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem 0.6rem;
            font-size: 0.9rem;
            color: #5a6a7a;
            padding: 0.6rem 0 0.2rem;
            border-top: 1px solid #e4d5c3;
            margin-top: 0.6rem;
        }
        .breadcrumb i {
            font-size: 0.75rem;
            color: #b5651e;
        }
        .breadcrumb a {
            color: #5a6a7a;
        }
        .breadcrumb a:hover {
            color: #b5651e;
        }
        .breadcrumb .current {
            color: #1e2a3a;
            font-weight: 500;
        }
        .form-card {
            background: #ffffffec;
            backdrop-filter: blur(2px);
            border-radius: 20px;
            padding: 1.8rem 2rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            border: 1px solid #e4d5c3;
            margin: 2rem 0;
        }
        .form-card label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #2c3e4e;
        }
        .form-card input,
        .form-card textarea,
        .form-card select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #dccfc2;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            background: #faf8f6;
            transition: border 0.2s;
            margin-bottom: 1rem;
        }
        .form-card input:focus,
        .form-card textarea:focus {
            border-color: #b5651e;
            outline: none;
            background: #fff;
        }
        .form-card textarea {
            min-height: 110px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #b5651e;
            color: #fff;
            padding: 0.7rem 2rem;
            border: none;
            border-radius: 40px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
        }
        .btn:hover {
            background: #7a3e0e;
            transform: scale(1.02);
            color: #fff;
            text-decoration: none;
        }
        .btn-secondary {
            background: #3a5068;
        }
        .btn-secondary:hover {
            background: #1e2a3a;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 2rem;
            margin-bottom: 1rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #dccfc2;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 0.6rem 1rem;
            background: #ece4da;
            padding: 1.2rem 1.6rem;
            border-radius: 18px;
            margin: 1.6rem 0;
            list-style: none;
        }
        .link-grid li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 500;
        }
        .link-grid li a i {
            color: #b5651e;
            width: 1.2rem;
        }
        .site-footer {
            background: #1e2a3a;
            color: #dccfc2;
            padding: 2.4rem 1.5rem 1.8rem;
            border-radius: 28px 28px 0 0;
            margin-top: 3rem;
        }
        .site-footer a {
            color: #e4d5c3;
        }
        .site-footer a:hover {
            color: #f5b342;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.5rem 2rem;
        }
        .footer-grid h4 {
            color: #f5b342;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid ul li {
            margin-bottom: 0.3rem;
        }
        friend-link {
            display: block;
            border-top: 1px solid #3a5068;
            padding-top: 1.2rem;
            margin-top: 1.2rem;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.8rem 0.2rem 0;
        }
        .copyright {
            text-align: center;
            margin-top: 1.6rem;
            font-size: 0.9rem;
            opacity: 0.8;
        }
        .last-update {
            display: inline-block;
            font-size: 0.9rem;
            color: #5a6a7a;
            background: #ece4da;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            margin-bottom: 1.2rem;
        }
        .feature-img {
            border-radius: 20px;
            margin: 1.8rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            width: 100%;
        }
        .img-caption {
            font-size: 0.9rem;
            color: #5a6a7a;
            margin-top: -0.8rem;
            margin-bottom: 1.6rem;
            text-align: center;
            font-style: italic;
        }
        @media (max-width: 800px) {
            h1 {
                font-size: 2rem;
                padding-left: 0.8rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-bar {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 0.3rem;
                padding: 0.8rem 0 0.4rem;
            }
            .nav-bar a {
                padding: 0.6rem 1rem;
                border-radius: 12px;
            }
            .nav-check:checked~.nav-bar {
                display: flex;
            }
            .nav-check:checked~.hamburger i::before {
                content: "\f00d";
            }
            .form-card {
                padding: 1.2rem 1.2rem;
            }
            .link-grid {
                grid-template-columns: 1fr;
            }
            .site-footer {
                padding: 1.8rem 1rem 1.2rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.6rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.6rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .lead {
                font-size: 1.05rem;
                padding: 0.8rem 1rem;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
            background: #ece4da;
        }
        ::-webkit-scrollbar-thumb {
            background: #b5651e;
            border-radius: 10px;
        }
        .highlight {
            background: linear-gradient(120deg, #f5e6d8 0%, #f5e6d8 40%, transparent 80%);
            padding: 0 0.2rem;
            font-weight: 600;
        }
        .insight-box {
            background: #eaf0f5;
            border-left: 6px solid #3a5068;
            padding: 1.2rem 1.8rem;
            border-radius: 16px;
            margin: 1.6rem 0;
        }
        .emoji-big {
            font-size: 1.8rem;
            vertical-align: middle;
        }
        hr {
            border: none;
            border-top: 2px dashed #dccfc2;
            margin: 2.2rem 0;
        }
        .grid-2col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.6rem;
        }
        @media (max-width: 600px) {
            .grid-2col {
                grid-template-columns: 1fr;
            }
        }